200+ Arduino Projects with Code, Diagrams [Beginner & Advanced]

Here, we are listing out some of the best and very useful Arduino project ideas which are collected from different resources and are very interesting to implement.

List of the Arduino modules and sensors

Arduino is a single-board microcontroller. It is intended to make the application of interactive objects or environments more accessible. The hardware consists of an open-source hardware board designed around an 8-bit Atmel AVR microcontroller or a 32-bit Atmel ARM. Here, we are listing out some of the best and very useful Arduino project ideas which are collected from different resources and are very interesting to implement.

Outline

Simple Arduino Projects with Code [Latest]

DIY Arduino powered GoPro Panning Rig:This is a demo and overview of my Arduino powered camera panning rig. It used a Arduino Uno, LCD button shield, 5v Stepper motor & driver and a bunch of misc hardware.
Smart Sock Augments Existing Prostheses’ Abilities:The prosthetic limbs available today are lack of sensation. Many researches were going on about this. This project describes the development of smart prosthetic sock that has ability to sense, i.e. it can tell about pressure applied, foot it is being touched etc.
Shining Back Live Set Blows Your Mind with Light and Sound:Shining back is a grid structure having leads that switches to the Duo’s live rhythms. This application runs on Arduino UNO and uses Mad mapper, module8 software.
The Gooniebox Challenges Guests to Solve Its Riddles:Here a puzzle box is designed by using the Arduino board for the entertaining the guests. The participant must unlock the treasure box present at the bottom by pressing the button and other interactions.
Cutting Cable with Scissors and Arduino:An automatic cable cutter at very lost is designed here. Manual cutting of this wire is time taking as the business grows, but at the same time industrial cutters are very costly. Here 3D printed wires were used for feeding the wire to the scissors.
A DIY Autonomous Ford Focus… Or Is It?:This projects gives a demo on automation of ford focus car. This system uses five cameras, ultrasonic sensors and Arduino. Each camera has its own Arduino board. All these are connected to a master system. Inside the car micro view is connected to ensure that this is working fine.
Flip frame Is a Rotating Digital Picture Frame:Here a rotating digital picture frame is designed from the discarded LCD TV. This uses raspberry pi and the Arduino. Raspberry pi is used to display the images sideways and Arduino is used to flip the screen.
Square Off Is a Chess Board with A High-Tech Twist:The chess board designed here allows you to play the chess on board with anyone in the world. This is a smartest, connected chess board. It is designed using Arduino as its core.
Self-Driving Tricycle:The self-driving tricycle drives itself by a command without control of the operator. Use of tricycle reduces our dependence on fossil fuels.
Collector is a Kind of Reality Re-Mixer:The system proposed here collects the loud sounds from its surroundings and plays them back by eliminating the silence. It plays the sounds in the order it has collected. This system also had a rotating robotic stereo microphone.
Ping Pong FM:A fun musical game is designed in this project. The ping pong FM is a table tennis played per the song played. Players can choose their own song. If the ball is missed, song slows down automatically.
Check the Traffic Autonomously On a Modified Clock:This project shows a smart wall clock that shows the traffic intensity on the roads. This clock consists of 12 RGB LEDs which turns red when the traffic is heavy and green when traffic density is low. These LEDs were controlled by the Arduino Uno board. The Arduino 1sheeld connected to the smart phone acquires the data about traffic from the internet. Accordingly, LEDs were switched.
Galaga Revived as a 4/5 Scale Mame Machine: Galaga MAME arcade machine is a game built using raspberry pi and MAME software. This project shows the building of this machine using an old CRT. An automated remote control is designed for this using Arduino and IR LEDs in order to switch it on and change from TV to AV mode.
A Sheet Metal Arduino MP3 Alarm Clock: The alarm clock shown in this project is equipped with Arduino, MP3 player, RTC. It is using a 3.2 inch touch screen display. This set up is placed in a metal sheet. It plays the music and shows the current song and time.
Build Your Own Electronic Drum Kit Using an Arduino Mega: This project shows building an electronic drum kit using Arduino mega. The nine-set drum kit shown here is build using readily available components.
Electro Pollock: The “Electro Pollock” is a special drawing machine that activates according to the music played. Music is analyzed by an algorithm that activates the servo motors with brushes, fan to spray the painting, electrical valves.
Arduino Thumb Piano: The Arduino thumb piano employs Arduino Uno, some metal rods and accelerometer. A beautiful music can be played from this instrument. It is named as kalimbo.
Electronic Message in a Bottle: This project shows building a circuit inside the bottle using LEDs. The scrolling message is displayed in the bottle. Here is how one can build a circuit inside the bottle.
LCD with DS3231 Real Time Clock Module: This project gives the description of Clock using RTC and Arduino. Here DS3231 is used. RTC can count the time and date even in the absence of power.
Smart Gaming (Ensorinstituut): Smart gaming is very useful to control the children from playing games for long time. Time for which a child can play a game is set. If the time is reached screen is becomes invisible and game stops automatically. A notification message is sent to the parent indicating the time ,when their child started playing the game.D25
Food Detector: The proposed project detects the food. Generally, the types of food are detected by measuring its resistance. Name of the food is displayed on the LCD.
Sigfox Talking Plant: The talking plant is designed such that it speaks on the twitter. Sigfox is a network that connects the plant to internet. One can monitor the messages from the plant in the internet.
The Traffic Light: Traffic lights are designed using Arduino in this project. In this project Led lights were used as traffic lights. The sequence of lights is processed by the Arduino.
The Inventive Toothbrush: A smart brush which sends a notification to parents when brushes his/her tooth is explained here. This inventive brush plays a pleasant music, when child is brushing. It also gives some instructions for a good brushing behaviour.
Singing Arduino: This project consists of an Arduino playing music. A web page is present in which one can select the songs to be played. Time can also be set to play the song at particular time.
Smart Plastic Container: Smart plastic container monitors the stock kept inside it. It sends a notification to the user using it. It also updates the same in the web page.
Add a $15 Display to the Raspberry Pi: This projects shows how to connect a OLED display to the raspberry pi. Raspberry pi is a mini computer; it is sometimes requiring display connected to it.
Transport checker (Ensorinstituut): Transport checker will send a notification to the mobile which is connected to the public transport network. Details like bus number, time of arrival etc. were sent to the user mobile.
DIY Flight Instruments for Horizon and Compass: Motion sensor MPU6050 is visualised by using a flight simulator in this project.
Excel Arduino Remote (Proof of Concept): This project shows the concept of connecting Arduino to the excel sheet. A step by step procedure is explained here.
Free Parking for You (Ensorinstituut): This system designed here shows a free parking spot in an area. It also sends a message if the spot is occupied.
Arduino Clock with Neopixel Ring Animation: The project shows the Arduino clock using RTC IC. Time is displayed using a neopixel ring. Neopixel ring is beautiful arrangement of leds.
Eggzact Science: This system can be used in modern egg farms. Eggs laid are passed through a sensor. The sensor detects these eggs counts them. This data is updated on the web server.
Arduino UNO Guitar Pedal: The idea here is to create a guitar pedal and create your own digital sound from this without knowledge on DSP processor.
Intelligent Charger for 9V NiMH Rechargeable Batteries V1: An intelligent smart charger that charges the 9vNIMh battery is proposed here. The charger can automatically, stops charging when battery is fully charged.
Doorbell: Doorbell shows the connecting of a device to the cloud. Door connected to the cloud can be operated from anywhere. The transmitter actually opens door while the receiver rings and is used to open the door.
The Train of the Future: This is prototype of future train. Trains in future will give the information like their location and only authenticated passengers were allowed into the train. The same is explained in this project.
Sensal – All Senses Alarm Clock: Instead of an alarm clock that produces ugly sound ,an alarm which awakes you with pleasant fell was developed. This is called sunrise alarm. The alarm switches on the LED light instead of sound.
Build a Simple Cocktail Drinkbot with Arduino :Here is a robot that can make cocktail using arduino is shown.
Arduino running 600 Pixel NeoPixel LED Panel : Here is the 600 pixel neopixel Led panel running using arduino UNO.

Arduino Sensors Projects

Wooden Arduino Knocking Calculator: This is a mathematical invention made by using Arduino. In this project we design a calculator by implementing the knock sensor (sound sensor) in a wooden box. To perform the mathematical operations, we run the Arduino program in computer.
Smartwatch Prototype Turns Your Wrist into a Joystick: Smart watches can be used as an alternative to the smart phones. But for operating these smart watches it is necessary to use another hand. So, an interactive smart watch that can be controlled using gestures of the hand to which it is held is shown here. This contains several IR sensors, piezo vibration sensor and an Arduino board.
This Arduino G Meter Shows How Fast Your Car Really Is!: This project shows how fast your car is driving. It uses Arduino along with acceleration sensor. This project shows how many G’s that this car is pulling.
Smoke Detection using MQ-2 Gas Sensor: Smoke detection is done using MQ2 smoke sensor. When the smoke level greater than a certain level, a buzzer starts ringing and a red LED is switched ON.
Ultrasonic Map-Maker using an Arduino Yun: This project uses ultrasonic sensor and Arduino. This sensor transmits ultrasonic waves and if nay obstacle is present it reflects back. Arduino calculates the distance between the obstacle by using the time taken by the waves to reflect back. Servo motor rotates the sensor at particular angle.
Reef Controller: Reef/aquarium maintenance is bit difficult task. This system allows the user to monitor the temperature, lighting etc of the tank. Arduino sends the status of these sensors the user, accordingly user can control these parameters.
Automatic Pet Watering System: The automatic pet watering system, monitors the water level in the tub. If the water level is below the fixed, it automatically fills water into it. Water level is sensed using ultrasonic sensor.
Arduino Based Distance Sensor: Arduino based distance sensor uses 2 sensors along with Arduino. The two sensors are infrared proximity sensor and ultrasonic range finding sensor. The IR sensor has a light source, which bounces the infrared light from the objects to the sensor. The ultrasonic range finer sensor produces the high frequency sound waves and calculates the echo time, to determine the distance.

IOT Projects Using Arduino

IOT PCR: Low Cost DNA Replication Connected to the Internet.: PCR acronym is acronym for polymerase chain reaction. This process is used to replicate certain parts of the DNA. The process carried out in a device called thermocycler. Here a simple thermocycler of low cost and easy to use was proposed. It can also be controlled through internet,
Baby-Pram Monitoring System: This system attached to baby’s pram can monitor various parameters like temperature, acceleration, light etc. IOT is used to monitor these parameters in the system.
Mind Controlled Arduino Robot: This project shows a robot that works on electrical signals generated from the brain. It requires Arduino, EEG band. When you focus more on the robo moves fast, if you wander it slows down automatically.
Deltu Gaming Robot: Deltu is a gaming robot that plays small games with the user. The user should mimic it. If not it will shake side to side, stops playing and opens the camera, take pictures and upload them to Instagram.
Robotic Fish Swims Under Arduino Control: The robo fish shown here can swim in the water. This fish is made up of Arduino, bent PVC pipe. This fish can be controlled using TV remote. The tail is powered through water.
Robot Car Controlled Using G-Sensor Smartphone: Here is the project showing the controlling of robot car using Bluetooth and smart phone. Bluetooth app is used to control the robot. Bluetooth receiver is connected to the robot via Arduino.
Arduino Based Line Following Robot: The Arduino based line following robot is operated by two servo motors at its wheels. The servo motors and the light sensors work with coordination move the robot on specific line.
Arduino Based Obstacle Avoiding Robot: The Arduino based obstacle avoiding robot will be able to move away or shift its path by sensing the obstacles. This project uses the concept of distance measuring using distance sensor drivers.
Arduino Based Robotic ARM: The Arduino based robotic arm project is a simple robotics project which uses the Arduino board to control the robotic arm. We can move this arm by sending commands through Arduino.
Arduino-Controlled Robotic Drum: This Arduino based project is used as drummer, controlled by the Arduino. Artificial sticks are moved according to the music and play the drum. The movement of the sticks are controlled by the Arduino.
Basic Arduino Robotic Vehicle: This project, Arduino robot is to build and control the robot by Arduino programming. By this, we can control the robot with our computer by using motor controller and distance sensor and Bluetooth slave in the robot.
Robofish – Swimming Arduino Robot: Robo fish- the name itself denote that this project is to build a robofish and controlling it. In this project we design a fish and make it to swim in pool or water like original fish, skipping the obstacles. It uses 3 servos to swim and position sensors to avoid obstacles.
Robot That Reads and Speaks RSS Feeds: This project explains us about the rss feed reading robot. in rss feed read and speak robot project, the robot we designed will not only reed the rss feeds, but it can also speak out the feeds like humans.
Self-Balancing Segway-Like Robot Arduino: The operation of self-balancing Segway is just like robot, which uses gyroscope to measure the tilt and adjusts itself automatically. This project uses the analog accelerometer along with the Arduino board to control itself.
Simple Obstacle Avoiding Robot Arduino: The obstacle avoiding robot can be designed by using Arduino and distance sensors. By using this project, we design a robot which senses the obstacles in its way and it avoids automatically.

Arduino Medical Projects

Touch Up Control Hospital Bed from iPad: This touch up control hospital bed is controlled from iPad, by using Arduino. we can move the hospital bed up and down and can adjust the height level by pressing the buttons in ipad, instead of pressing the physical buttons.

Arduino Wireless Projects

Arduino Based Wireless Power Meter: The Arduino based wireless power meter is to measure the number of units of power of an acceptable range. The main goal of the project is to present the accurate information of consumed energy, to the user.
Arduino Based Home Automation: The Arduino controller is used to control the home appliances, without any wired connection. The wireless connectivity of the Arduino based automation system uses the simple components like relay and resisters. It controls the home appliances by using the Wi-Fi enabled device.
RC Car Controlled Via the Web: The main goal of this project is to control the motion of a remote controlled car by using web and Arduino. The Arduino board controls the car by using the local server installed in the user’s system. When the Arduino sketch runs on system, the car will move in different directions as per user’s wish.
Tweet-A-Watt Wireless Electricity Monitor: This Arduino based project is used to monitor the power usage of the household appliances through social media. The Arduino will monitor the power usage of appliances by using heat shrinks. By connecting to the social media (in this project we used twitter) we will get notified by getting push messages by using Arduino.
Wireless Online Remote Chess: This is a gaming project developed by using an Arduino. By using this project, we can develop the multiplayer chess game, controlled by using Arduino. the chess board is connected with the motion sensors to record their motion. the Arduino is connected to the web server and thus we can indicate the motion of the chess coins.
Xbee Wireless Accelerometer: This project is to design the xbee based accelerometer by using Arduino. The xbee will work as data receiver. By programming the Arduino, we can control the accelerometer sensor operation.
Arduino Wireless Animatronic Hand: The wireless animatronic hand project is like robotic hand moment project. In this project, we will move the hand by controlling its operations by the Arduino. The servos implemented in the hand glove will move according to the Arduino instructions.

Arduino Bluetooth Projects

IMU to You!: Inertial measurement unit is nothing but measurement of Agular rate, specific force, magnetic field etc. This project describes the measurement of these data and transferring to the mobile device via Bluetooth.
Arduino Bluetooth Basic Tutorial: Interfacing of Bluetooth module to the Arduino is explained here.AN example controlling an Led sing blue tooth is shown in this project
Arduino Bluetooth Android to Arduino Communication: This project is based on both the android and Arduino, which lets you to control your Arduino kit by using the Bluetooth of the android smart phone. To communicate with the Arduino, android need an interface, Android. By using this interface, android sends the text commands to Arduino.

Arduino Home Automation Projects

Build an Entire Home Automation System with a Raspberry Pi and Arduino: This project shows the home automation system built using Arduino and raspberry pi. Several sensors were used for monitoring the various parameters in home.
Gestured Controlled Smart Home: A gesture controlled smart home system is proposed here. This project uses Mayo for detecting the hand gestures. These gestures are used for controlling the appliances.
Non-Intrusive Elderly Smart Home (NESH): The proposed project monitors the smart homes with elderly people. Homes are fitted with different sensors. Data from these sensors like when they woke up, medication taken etc. is sent to the relatives or guardians.
Control your Light System Using Smart Phone: Smart homes are increasing these days. The proposed project controls the home appliances using smart home. Arduino plays a key role by processing the data.
RF Based Smart Home Automation System: This project explains about automation of home using the RF. Arduino is used to proceeds the data received from RF and control the appliances.
Gas Detector / Indicator (USB Powered) With Arduino: This Arduino project is of home automation and safety. In this project we design an instrument to detect the presence of gas by using a sensor and we indicate it by using a 7 segment LCD display. The gas detection and indication operation is achieved by an Arduino.

Arduino Security Projects

Security Access Using RFID Reader: Interfacing of RFID reader to the Arduino is explained here along with the code.
Arduino Based Home Security System: The Arduino based home security system is used to for providing security to the living places. With this, we can provide safety and can prevent theft and theft attempts, and un authorized entry of restricted persons.
Arduino Based Security System: The Arduino based home security system is used to for providing security to the living places. With this, we can provide safety and can prevent theft and theft attempts, and un authorized entry of restricted persons.
Arduino Night Security Alarm with PIR Sensor: The Arduino is very useful for home automation and security applications. This Arduino based night security alarm is used to for providing security at night times. With this, we can provide safety and can prevent theft and theft attempts.
Arduino Security Alarm with Reed Switch: The Arduino security alarm with read switch project is used to alert the user by sending or ringing alarm at if any theft attempt is observed by the sensor. This is a home automation and security project based on Arduino along with reed switch and piezo buzzer.
Notifying Doorbell with Pushingbox: The Arduino based notifying push bell is a home security based project. In this project, we are able to hack the doorbell in order to send the push notifications to mobile. We can also send an email with an attached picture when somebody is present at the door. The Arduino programming will work along with pushing box service to do this task.

Arduino Quadcopter Projects

Arduino Based Quadcopter: With Arduino, we can design a quadcopter also. We can control the quadcopter by remote. The quadcopter uses the servo motors at its rotors and by controlling the motors we can control the speed of the quadcopter.
Open-Source Quadcopter: In this project we design an Arduino based open source quadcopter to navigate and provide the dangerous areas such as war fields. This can be used for the surveillance of the situations and also to send the information to radio stations without putting any human in risk.
Arduino Based Flight Controller For Quadcopter: In this project, we use Arduino to control the speed and altitude of the quadcopter. For this, it uses the Arduino flight controller board along with various sensors, such as gyro scope and accelerometer. We may provide additional sensors to hold the altitude level of the quadcopter.

Arduino RFID Projects

RFID Access Control System: RFID based access control system is a home security project based on Arduino. it provides security to the home or offices based on the authorization of user’s identity. The authorization is provided by the RFID card.
RFID Cat Door: This project lets us to control the pet cage door. The whole process is controlled by an Arduino. The cage door will open only when the pet wears the appropriate RFID tag. Using this Arduino project, we can protect our pet from other animals.

Arduino Laser Projects

Keep Your Cat Entertained with an Automated Laser Tower: This project shows building a laser tower that entertains the cats. It uses Arduino Uno, two servo motors, Pan/tilt camera mount, tin for placing the set up.
Automated Cat Laser: The Cat Bot is an autonomous laser toy for your cat. It produces a rotating (moving) laser beam by using the servos attached in it. Using two servos, an Arduino you can provide your cat with endless fun.
Fantastic Arduino Laser Harp: The Arduino laser harp is a musical instrument which produces light beams. When this Arduino controlled laser harp is connected to any synthesizer, it will make some MIDI tunes along with light effects.
Laser Harp Fully Functional: Laser harp project produces the laser light beams by using LEDs and laser. This Arduino based project works depending on the photo resistors. The photo resistors are connected in a particular manner to receive the laser beam from a simple laser.
Laser Maze Powered by Arduino: Laser maze circuit is a security application, designed by using Arduino. It is mostly used in jewel store to prevent theft and to catch intruders. This project uses Arduino to control the laser maze and ring an alarm when the maze is disturbed.

Before you start digging into the projects, I strongly recommend check out these kits which helps to build projects

Miscellaneous

Arduino 7 Segment Led Display and Counter: This Arduino project is very simple and easy. Arduino platform can be used for simple counting operations. It uses a LCD screen (7 segment LCD display) to display the increment counting operation of the Arduino from 0 to 9. The seven segment display will display the numeric (numbers) by depending upon the Arduino sketch.
Arduino Based Alarm Clock: We can design an alarm clock with time and date by using Arduino UNO compatible board. It also uses a LCD (for display purpose) and a real-time clock module. The whole circuit will be built on a prototyping shield and connected to a power supply. The piezo electric buzzer will ring at the present time intervals.
Arduino Based Auto Intensity Control Of Street Lights: The main aim of this project is to continuously monitor the power using devices and controlling their power consumption. This light intensity controlling system will use the bunch of LED lights along with the Arduino. The operation and intensity of the LED will be controlled by Arduino, by considering the requirement of the light at peak hours and non-peak hours.
Arduino Based Autopilot System: In this project we design an Arduino based aircraft (auto pilot) system, to navigate and provide live video from the dangerous areas such as war fields. This can be used for the surveillance of the situations and also to send the weather information to radio stations without putting any human in risk.
Arduino Based Battery Charge: By using Arduino, we can design a simple battery charger. The main aim of the project is to create the charger by using Ni – Mh batteries. The battery charging can be monitored by Arduino.
Arduino Based Car Parking System: This project explains us the automated parking system of vehicles. It uses the Arduino controller and IR sensors to locate the surrounded obstacles (vehicles). This is one of the most used real time objectives in parking areas.
Arduino Based Energy Meter: Using Arduino, we can monitor the power (energy) used by a system and alert the user by sending him text messages. The energy level or the current and voltage ranges are observed by using an LCD display.
Arduino Based GPS Tracker: We can locate the vehicle or human by tracking them using Arduino. The Arduino based gps tracking system uses GPS module for locating the vehicle on maps. It requires simple elements like battery and antennas, but with very low cost we can design a tracking system by using Arduino.
Arduino Based Heart Rate Monitor: This project is most helpful for the medical field applications. The Arduino based heart rate monitoring system will use the finger pulse rate recording module along with the Arduino. This pulse detecting sensor wills works depending upon the pulse –plethysmography principle.
Arduino Based Incubator: The Arduino based incubator is developed by the idea of medical conditions in rural areas. This project can be effectively used by the technicians to save the life of chickens and infants. The Arduino micro controller is used to control the temperature of the system.
Arduino Based Intervalometer: The Arduino based intervalometer is used to monitor the things continuously, by the control cameras in it. We use the Arduino to control the camera and the infrared LED. The ice is set to take pictures for every pre-set time interval.
Arduino Based Joystick: The Arduino based joystick is designed by using potentiometers and by using this joystick, we can control the electronic systems like computer. We design this module by implementing the Digital to analog converter.
Arduino Based Light Dimmer: The aim of Arduino based light dimmer project is to maintain the triac at the mains, always. The dimmer circuit works by designing a diode bridge by using junction diodes. This bridge will control the voltage across the bulb by using pulse width modulation.
Arduino Based MP3 Player: Arduino based mp3 player is a cool project to work on. Arduino is capable of producing sound waves by implementing some components to it, like speakers. It will work on the principle of voltage divider circuit.
Arduino Based Oscilloscope: Arduino is capable of producing different waveforms, by using atmega controller and so that it acts as an oscilloscope. It can produce very high speed oscillations as it has very high speed clock.
Arduino Based Part Fill Automatic Valve: Part fill vales are mostly used in rain water tanks. Arduino is used to control the water valve as the water level reaches the minimum level, so that a constant minimum water level is maintained in the tank.
Arduino Based Shadow Alarm: Arduino based shadow alarm is an opto sensitive circuit, which will activate the buzzer or alarm as the light intensity changes. It is majorly used to detect the intruders and to sound an alarm depending on the light dependent resistors.
Arduino Based Temperature Controller: Arduino based temperature controller is used to control and monitor the temperature of the elements by using the temperature sensor. This temperature sensor continuously monitors the temperature of devices and alerts if it exceeds the preset level.
Arduino Based Thermostat: We all know the thermostat is a temperature monitoring device. As it connected with the Arduino, the thermostat (temperature sensor) will continuously monitor the temperature of a room or device. We can visually observe the temperature level by using the LCD display.
Arduino Based Tilt Detector: Arduino based tilt detector is used to detect the tilt of the objects. It uses the accelerometer and LED to detector the tilt in the objects at the time of earth quakes and motion detection etc.
Arduino Based Underground Cable Fault Detection: This project works based on ohms law. In this Arduino based underground cable fault detection project, we find out the broken wires which are under layered in ground. This uses a set of resisters and set of switches to check the faults in wires
Arduino Based Vehicle Parking Counter: The vehicle parking counter will count the number of vehicles that are entering the parking lot. The parking count can be counted by using 2 sensors at the entrance of the parking.
Arduino Based Voltmeter: The Arduino voltmeter converts the applied AC voltage signal into DC voltage, by using a voltage divider circuit. The voltage divider circuit can be modified to work at different voltages by connecting it to different basic components.
Arduino Based Water Level Controller: The Arduino based water level controller will control the water level of a tank automatically by detecting the water level by using sensors. As the water level increases the preset level, the circuit alerts the user by sounding an alarm and it automatically turn off the tap/pump.
Arduino Camping Led Light: This camping light circuit will use the LED lights to understand the camping operation of lights. The operation of the LEDs is controlled by the Arduino board and push buttons in it.
Arduino Christmas Led Lights Bar: Working with this Arduino based Christmas lights project is very easy and fun. We can make the Arduino board to work with LEDs to light as Christmas light effect, by using just simple electronic components.
Arduino Controlled Yoghurt / Beer Maker: The Arduino controlled yogurt maker is used to prepare the yogurt in home by controlling the temperature and cooking time of the yogurt. It uses the thermostat for temperature monitoring and a heat sink for the temperature control.
Arduino Digital Voltmeter: The Arduino voltmeter converts the applied AC voltage signal into DC voltage, by using a voltage divider circuit. The voltage divider circuit can be modified to work at different voltages by connecting it to different basic components.
Arduino Firefly Jar with The Atmega32: The Arduino firefly jar is an artificial method of creating firefly effect by using Arduino UNO board and ATmega 32. This projects works on very simple technique that, the photoresister will control the switching of the LEDs depending upon the light intensity.
Arduino Hall Effect Sensor (Gaussmeter): This Arduino based gauss meter is used to measure the magnetic field using the hall effect based sensor. This project can be used for experimenting on magnetism. The magnetic field strength will be displayed on LCD screen.
Arduino Icicle Lights with Leds: This icicle lights project will work using LEDs along with the Arduino board. The LEDs will on and off in a sequence and the sequence of lights and the switching can be controlled by Arduino.
Arduino Multiple Lights Dimmer: In this Arduino based multiple lights dimmer project, the lights are cascaded with each other. And their operation is controlled by using the opto coupler. The cascaded lamps or lights are ramps down to in an order to on and off, with some delay.
Arduino Music Player: Arduino based mp3 player is a simple and easy project. Arduino is capable of producing sound waves by implementing some components to it, like speakers. It will work on the principle of voltage divider circuit.
Arduino Painting Machine: This Arduino based paint machine is used to reduce the human effort and errors while painting the walls. This project uses the stepper motors and brush servos to paint the required areas, by using the Arduino.
Arduino Panic Alarm: The Arduino based panic alarm project is used to alert the user whenever the user gets panic, by ringing an alarm. The piezo electric buzzer is used to produce the alarm sound. It uses two main elements to do this, such as Arduino micro controller board and interfacing device.
Arduino Powered Binary Clock: We can design a binary clock by using Arduino. This project needs simple electronic elements like LEDs. The LEDs are arranged in a sequence to display the analog clock.
Arduino Powered Lucky Cat As Physical Webcounter: This project is used to make indicate us when person visits our web page or web site. The lucky cat idol will make us to know this by connecting this to the web server by using Arduino. This project uses the simple hardware components like LED and servo motors.
Arduino Powered Mobile Phone: The cell phone can charge the Arduino by using its Li ion battery. This Arduino powered mobile phone project will be useful for charging applications, by using simple elements like diodes and resisters.
Arduino Powered Poker Table: The Arduino based poker table is used to produce the illuminated lights around the poker table. This project runs by using the web page hosted on local server, which is connected to the Arduino. We can also control this from a mobile phone.
Arduino PWM Led Control: In this project, we control the brightness of an LED by using pulse width modulation technique and Arduino. The Arduino board is stuffed with basic hard ware components and as the width of the wave for in pulse width modulation technique varies, the brightness of the LED also varies.
Arduino Room Temperature Monitor: This project will help us to monitor the temperature of a room by using a thermostat and Arduino. We can monitor the temperature by using a http server api and can send text messages about the temperature and room conditions.
Ardui

200+ Arduino Projects List For Final Year Students